Ismul Fakhri Lubis, Dede Ruslan, Muhammad Fitri Rahmadana. CONTROLLING PROBLEMATIC FINANCING: EFFORTS TO IMPROVE THE PROFITABILITY OF ISLAMIC BANKING THROUGH THE TWO STAGE LEAST SQUARE APPROACH. IJERLAS [Internet]. 2024 Jul. 30 [cited 2025 Jun. 19];4(4):1073-80. Available from: https://radjapublika.com/index.php/IJERLAS/article/view/1797